On the set of their new TV series, Big Little Lies, Reese Witherspoon and Nicole Kidman seemed to get along like gangbusters. The two Oscar winners looked the part of dressed-down, preppy moms as they filmed scenes during the day with their young costars. The series also stars Laura Dern, who also sported a look that very much conveyed suburban mom. Big Little Lies focuses on the mothers of three kindergartners who become entangled in a murder case. It?s being described as ?a dark comic drama.